ML23165A285

Discharge Monitoring Report (Dmr), May 2023

ML23165A285
Person / Time
Site:	Sequoyah
Issue date:	06/14/2023
From:	Markum T Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation, Document Control Desk
References
Download: ML23165A285 (1)

Text

Tennessee Valley Authority, Sequoyah Nuclear Plant, P.O. Box 2000, Soddy Daisy, TN 37384 June 14, 2023 ATTN: Document Control Desk U.S. Nuclear Regulatory Commission Washington, D.C. 20555-0001

Subject:

Sequoyah Nuclear Plant, Discharge Monitoring Report (DMR), May 2023 Attached is the May 2023 DMR for Sequoyah Nuclear Plant.

Respectfully, Travis R. Markum Environmental Scientist

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: Sequoyah Access Road, PO Box 2000 Facility Location: SEQUOYAH ACCESS ROAD Soddy Daisy, TN 37379 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 101 Discharge: 101-G External Outfall (no description)

Report Dates & Status Monitoring Period: From 05/01/23 to 05/31/23 DMR Due Date: 06/15/23 Status: NetDMR Validated Considerations for Form Completion Primary discharge from Diffuser Pond.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season Param. Quantity or Loading Quality or Concentration # of Frequency of Sample Type Code Name # NODI Qualifier Value 1 Qualifier Value 2 Units Qualifier Value 1 Qualifier Value Qualifier Value 3 Units Ex. Analysis 1 2 1 2 2 3 04 - deg RC - Recorder Sample = 35.7 99/99 - Continuous C (auto)

Permit 04 - deg RC - Recorder 00010 Temperature, water deg. centigrade 1 - Effluent Gross 0 -- Req.

Req Mon DAILY MX C

99/99 - Continuous (auto)

Value NODI 04 - deg Sample = 25.2 99/99 - Continuous CA - CALCTD C

Z - Instream Permit 04 - deg 00010 Temperature, water deg. centigrade 0 -- Req.

<= 30.5 DAILY MX C

99/99 - Continuous CA - CALCTD Monitoring Value NODI 04 - deg Sample = 1.4 99/99 - Continuous CA - CALCTD C

Permit 04 - deg 00016 Temp. diff. between samp. & upstrm deg. C 1 - Effluent Gross 1 -- Req.

<= 3.0 DAILY MX C

99/99 - Continuous CA - CALCTD Value NODI RC - Recorder Sample = 1752.2 = 1776.7 03 - MGD 99/99 - Continuous (auto)

Permit Req Mon MO Req Mon DAILY RC - Recorder 50050 Flow, in conduit or thru treatment plant 1 - Effluent Gross 0 -- Req. AVG MX 03 - MGD 99/99 - Continuous (auto)

Value NODI Sample Permit 19 -

<= 0.027 MO AVG <= 0.047 DAILY MX 01/07 - Weekly GR - GRAB Req. mg/L 50060 Chlorine, total residual 1 - Effluent Gross 0 --

Value B - Below Detection Limit/No B - Below Detection Limit/No Detection NODI Detection 62 - deg Sample = 0.2 99/99 - Continuous CA - CALCTD C/hr Z - Instream Permit 62 - deg 82234 Temperature rate of change deg. C/hr 0 -- Req.

<= 2.0 DAILY MX C/hr 99/99 - Continuous CA - CALCTD Monitoring Value NODI Sample Permit

> 69.0 MINIMUM 23 - % 01/30 - Monthly CP - COMPOS IC25 Static Renewal 7 Day Chronic Req.

TRP3B 1 - Effluent Gross 0 --

Ceriodaphnia dubia Value 9 - Conditional Monitoring - Not Required NODI This Period Sample Permit

> 69.0 MINIMUM 23 - % 01/30 - Monthly CP - COMPOS IC25 Static Renewal 7 Day Chronic Req.

TRP6C 1 - Effluent Gross 0 --

Chrpimephales Value 9 - Conditional Monitoring - Not Required NODI This Period Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Method Detection Limit for Total Residual Chlorine is 0.05 mg/L.

Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-06-08 16:56 (Time Zone: -05:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-06-12 10:14 (Time Zone: -05:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: Sequoyah Access Road, PO Box 2000 Facility Location: SEQUOYAH ACCESS ROAD Soddy Daisy, TN 37379 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 103 Discharge: 103-G Internal Outfall (no description)

Report Dates & Status Monitoring Period: From 05/01/23 to 05/31/23 DMR Due Date: 06/15/23 Status: NetDMR Validated Considerations for Form Completion Internal Monitoring Point for various flows from Low Volume Waste Treatment Pond to Diffuser Pond, which eventually discharges through Outfall 101.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season # Param. NODI Quantity or Loading Quality or Concentration # of Ex. Frequency of Analysis Sample Type Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units Sample = 6.6 = 6.6 12 - SU 01/30 - Monthly GR - GRAB Permit Req. >= 6.0 MINIMUM <= 9.0 MAXIMUM 12 - SU 01/30 - Monthly GR - GRAB 00400 pH IM - Internal Monitoring Point 0 --

Value NODI Sample = 9.7 = 9.7 19 - mg/L 01/30 - Monthly GR - GRAB Permit Req. <= 30.0 MO AVG <= 100.0 DAILY MX 19 - mg/L 01/30 - Monthly GR - GRAB 00530 Solids, total suspended IM - Internal Monitoring Point 0 --

Value NODI Sample < 4.8 < 4.8 19 - mg/L 01/30 - Monthly GR - GRAB Permit Req. <= 15.0 MO AVG <= 20.0 DAILY MX 19 - mg/L 01/30 - Monthly GR - GRAB 00556 Oil & Grease IM - Internal Monitoring Point 0 --

Value NODI Sample = 1.044 = 1.044 03 - MGD 01/30 - Monthly IN - INSTAN Permit Req. Req Mon MO AVG Req Mon DAILY MX 03 - MGD 01/30 - Monthly IN - INSTAN 50050 Flow, in conduit or thru treatment plant IM - Internal Monitoring Point 0 --

Value NODI Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-06-08 16:58 (Time Zone: -05:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-06-12 10:14 (Time Zone: -05:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: Sequoyah Access Road, PO Box 2000 Facility Location: SEQUOYAH ACCESS ROAD Soddy Daisy, TN 37379 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 107 Discharge: 107-G Internal Outfall (no description)

Report Dates & Status Monitoring Period: From 05/01/23 to 05/31/23 DMR Due Date: 06/15/23 Status: NetDMR Validated Considerations for Form Completion Metal Cleaning Waste Pond discharge. No monitoring required for stormwater decanting. Daily monitoring required only during dewatering events.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season # Param. NODI Quantity or Loading Quality or Concentration # of Ex. Frequency of Analysis Sample Type Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units Sample Permit Req. >= 6.0 MINIMUM <= 9.0 MAXIMUM 12 - SU 01/01 - Daily GR - GRAB 00400 pH IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 30.0 MO AVG <= 100.0 DAILY MX 19 - mg/L 01/01 - Daily CP - COMPOS 00530 Solids, total suspended IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 15.0 MO AVG <= 20.0 DAILY MX 19 - mg/L 01/01 - Daily GR - GRAB 00556 Oil & Grease IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 1.0 MO AVG <= 1.0 DAILY MX 19 - mg/L 01/01 - Daily CP - COMPOS 01042 Copper, total [as Cu] IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Sample Permit Req. <= 1.0 MO AVG <= 1.0 DAILY MX 19 - mg/L 01/01 - Daily CP - COMPOS 01045 Iron, total [as Fe] IM - Internal Monitoring Point 0 --

Value NODI C - No Discharge C - No Discharge Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-06-08 16:47 (Time Zone: -05:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-06-12 10:14 (Time Zone: -05:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: Sequoyah Access Road, PO Box 2000 Facility Location: SEQUOYAH ACCESS ROAD Soddy Daisy, TN 37379 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 110 Discharge: 110-G External Outfall (no description)

Report Dates & Status Monitoring Period: From 05/01/23 to 05/31/23 DMR Due Date: 06/15/23 Status: NetDMR Validated Considerations for Form Completion Outfall 110 is closed. Only active in the event the plant goes into closed mode.

Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season Param. Quantity or Loading Quality or Concentration # of Frequency of Sample Type Code Name # NODI Qualifier Value 1 Qualifier Value 2 Units Qualifier Value 1 Qualifier Value Qualifier Value 3 Units Ex. Analysis 1 2 1 2 2 3 Sample Permit 04 - deg Req Mon DAILY MX 99/99 - Continuous CA - CALCTD Req. C 00010 Temperature, water deg. centigrade 1 - Effluent Gross 0 --

C - No Value NODI Discharge Sample Permit

<= 30.5 DAILY MX 04 - deg C 99/99 - Continuous CA - CALCTD Z - Instream Req.

00010 Temperature, water deg. centigrade 0 --

Monitoring C - No Value NODI Discharge Sample Permit

<= 3.0 DAILY MX 04 - deg C 99/99 - Continuous CA - CALCTD Req.

00016 Temp. diff. between samp. & upstrm deg. C 1 - Effluent Gross 1 --

C - No Value NODI Discharge Sample Permit RC - Recorder Req Mon MO AVG Req Mon DAILY MX 03 - MGD 99/99 - Continuous Req. (auto) 50050 Flow, in conduit or thru treatment plant 1 - Effluent Gross 0 --

C - No C - No Value NODI Discharge Discharge Sample Permit

<= 0.027 MO AVG <= 0.047 DAILY MX 19 - mg/L 05/WK - Five Per Week GR - GRAB Req.

50060 Chlorine, total residual 1 - Effluent Gross 0 --

C - No C - No Value NODI Discharge Discharge Sample Permit 62 - deg

<= 30.5 DAILY MX 99/99 - Continuous CA - CALCTD Z - Instream Req. C/hr 82234 Temperature rate of change deg. C/hr 0 --

Monitoring C - No Value NODI Discharge Sample Permit

>= 69.0 MINIMUM 23 - % 01/30 - Monthly GR - GRAB IC25 Static Renewal 7 Day Chronic Ceriodaphnia Req.

TRP3B 1 - Effluent Gross 0 --

dubia C - No Value NODI Discharge Sample Permit

>= 69.0 MINIMUM 23 - % 01/30 - Monthly GR - GRAB Req.

TRP6C IC25 Static Renewal 7 Day Chronic Chrpimephales 1 - Effluent Gross 0 --

C - No Value NODI Discharge Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors

No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-06-08 16:45 (Time Zone: -05:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-06-12 10:14 (Time Zone: -05:00)

DMR Copy of Record Permit Permit #: TN0026450 Permittee: Tennessee Valley Authority (TVA) Facility: TVA SEQUOYAH NUCLEAR PLANT (SQN)

Major: Yes Permittee Address: Sequoyah Access Road, PO Box 2000 Facility Location: SEQUOYAH ACCESS ROAD Soddy Daisy, TN 37379 SODDY DAISY SODDY DAISY, TN 37379 Permitted Feature: 118 Discharge: 118-G External Outfall (no description)

Report Dates & Status Monitoring Period: From 05/01/23 to 05/31/23 DMR Due Date: 06/15/23 Status: NetDMR Validated Considerations for Form Completion Principal Executive Officer First Name: Thomas

Title:

Vice President Telephone: 423-843-7001 Last Name: Marshall No Data Indicator (NODI)

Form NODI: --

Parameter Monitoring Location Season # Param. NODI Quantity or Loading Quality or Concentration # of Ex. Frequency of Analysis Sample Type Code Name Qualifier 1 Value 1 Qualifier 2 Value 2 Units Qualifier 1 Value 1 Qualifier 2 Value 2 Qualifier 3 Value 3 Units Sample Permit Req. >= 2.0 MINIMUM 19 - mg/L 02/07 - Twice Every Week GR - GRAB 00300 Oxygen, dissolved [DO] 1 - Effluent Gross 0 --

Value NODI C - No Discharge Sample Permit Req. <= 100.0 DAILY MX 19 - mg/L 02/07 - Twice Every Week GR - GRAB 00530 Solids, total suspended 1 - Effluent Gross 0 --

Value NODI C - No Discharge Sample Permit Req. <= 1.0 DAILY MX 25 - mL/L 01/30 - Monthly GR - GRAB 00545 Solids, settleable 1 - Effluent Gross 0 --

Value NODI C - No Discharge Sample Permit Req. Req Mon MO AVG Req Mon DAILY MX 03 - MGD 01/BA - Once Per Batch ES - ESTIMA 50050 Flow, in conduit or thru treatment plant 1 - Effluent Gross 0 --

Value NODI C - No Discharge C - No Discharge Submission Note If a parameter row does not contain any values for the Sample nor Effluent Trading, then none of the following fields will be submitted for that row: Units, Number of Excursions, Frequency of Analysis, and Sample Type.

Edit Check Errors No errors.

Comments Attachments No attachments.

Report Last Saved By Tennessee Valley Authority (TVA)

User: TRMARKUM Name: Travis Markum E-Mail: trmarkum@tva.gov Date/Time: 2023-06-08 16:44 (Time Zone: -05:00)

Report Last Signed By User: TMCMUTUA Name: Tony McMutuary E-Mail: tmcmutuary@tva.gov Date/Time: 2023-06-12 10:14 (Time Zone: -05:00)